Ranked by reliability — blends KO rate with how often each Pokémon is matched up.
#
Checker
Encounters
Reliability
KO Rate
01
Garganacl
Rock
DEFENSIVE COUNTER
41.434
88.1%
dies 7.08%
▾
0- SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 0 SpD Garganacl: 193-228 (47.7 - 56.4%) -- 84.4% chance to 2HKO
02
Arceus-Fairy
Fairy
DEFENSIVE COUNTER
311.361
82.1%
dies 3.74%
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 252+ Def Arceus-Fairy: 142-168 (31.9 - 37.8%) -- 92.4% chance to 3HKO
03
Ursaluna
GroundNormal
OFFENSIVE CHECK
22.949
78.8%
dies 8.54%
▾
252+ Atk Ursaluna Crunch vs. 252 HP / 0 Def Giratina-Origin: 204-240 (40.4 - 47.6%) -- guaranteed 3HKO
04
Tyranitar
RockDark
OFFENSIVE CHECK
21.703
76.5%
dies 9.10%
▾
252+ Atk Tyranitar Knock Off vs. 252 HP / 0 Def Giratina-Origin: 240-284 (47.6 - 56.3%) -- guaranteed 2HKO after sandstorm damage
05
Zacian-Crowned
FairySteel
OFFENSIVE CHECK
540.811
70.0%
dies 3.39%
▾
+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Giratina-Origin: 540-636 (107.1 - 126.1%) -- guaranteed OHKO
06
Kingambit
DarkSteel
DEFENSIVE COUNTER
143.738
69.6%
dies 6.51%
▾
0- SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 0 SpD Kingambit: 101-119 (25 - 29.4%) -- guaranteed 4HKO
07
Grimmsnarl
DarkFairy
OFFENSIVE CHECK
71.402
69.1%
dies 9.15%
▾
252+ Atk Grimmsnarl Play Rough vs. 252 HP / 0 Def Giratina-Origin: 306-362 (60.7 - 71.8%) -- guaranteed 2HKO
08
Eternatus
PoisonDragon
OFFENSIVE CHECK
356.167
64.4%
dies 4.37%
▾
252+ SpA Eternatus Dynamax Cannon vs. 252 HP / 252+ SpD Giratina-Origin: 282-332 (55.9 - 65.8%) -- guaranteed 2HKO
09
Kyurem-Black
DragonIce
OFFENSIVE CHECK
40.954
63.4%
dies 10.64%
▾
252+ Atk Teravolt Kyurem-Black Dragon Claw vs. 252 HP / 0 Def Giratina-Origin: 354-416 (70.2 - 82.5%) -- guaranteed 2HKO
10
Arceus
Normal
DEFENSIVE COUNTER
416.72
61.3%
dies 4.12%
▾
0- SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 0 SpD Arceus: 151-178 (34 - 40%) -- guaranteed 3HKO
11
Terapagos
Normal
DEFENSIVE COUNTER
106.023
57.8%
dies 8.29%
▾
0- SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 0 SpD Terapagos: 202-238 (52.6 - 61.9%) -- guaranteed 2HKO
12
Calyrex-Ice
PsychicIce
DEFENSIVE COUNTER
232.184
57.6%
dies 5.56%
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 252+ Def Calyrex-Ice: 242-288 (59.9 - 71.2%) -- guaranteed 2HKO
13
Ting-Lu
DarkGround
DEFENSIVE COUNTER
109.154
57.5%
dies 7.89%
▾
0- SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 0 SpD Vessel of Ruin Ting-Lu: 160-189 (31.1 - 36.7%) -- guaranteed 4HKO after Leftovers recovery
14
Kyogre
Water
DEFENSIVE COUNTER
756.536
57.4%
dies 3.11%
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 252+ Def Kyogre: 172-204 (42.5 - 50.4%) -- 1.2% chance to 2HKO
15
Koraidon
FightingDragon
OFFENSIVE CHECK
1,285.681
56.9%
dies 2.39%
▾
252+ Atk Orichalcum Pulse Koraidon Outrage vs. 252 HP / 0 Def Giratina-Origin: 590-696 (117 - 138%) -- guaranteed OHKO
16
Arceus-Ghost
Ghost
DEFENSIVE COUNTER
104.44
55.4%
dies 8.12%
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 252+ Def Arceus-Ghost: 284-336 (63.9 - 75.6%) -- guaranteed 2HKO
17
Arceus-Water
Water
SOFT CHECK
184.737
53.7%
dies 6.32%
▾
252+ SpA Arceus-Water Ice Beam vs. 252 HP / 252+ SpD Giratina-Origin: 146-174 (28.9 - 34.5%) -- 5.8% chance to 3HKO
18
Gliscor
GroundFlying
SOFT CHECK
242.986
52.0%
dies 5.54%
▾
252+ Atk Gliscor Knock Off vs. 252 HP / 0 Def Giratina-Origin: 126-150 (25 - 29.7%) -- guaranteed 4HKO
19
Lunala
PsychicGhost
SOFT CHECK
428.086
49.6%
dies 4.16%
▾
252+ SpA Lunala Moongeist Beam vs. 252 HP / 252+ SpD Giratina-Origin: 270-320 (53.5 - 63.4%) -- guaranteed 2HKO
20
Ho-Oh
FireFlying
SOFT CHECK
775.073
48.2%
dies 3.09%
▾
252+ Atk Ho-Oh Brave Bird vs. 252 HP / 0 Def Giratina-Origin: 216-255 (42.8 - 50.5%) -- 2.3% chance to 2HKO
21
Giratina-Origin
GhostDragon
SOFT CHECK
137.432
48.0%
dies 7.36%
▾
252+ Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 0 Def Giratina-Origin: 446-528 (88.4 - 104.7%) -- 31.3% chance to OHKO
22
Weezing-Galar
PoisonFairy
SOFT CHECK
22.903
40.0%
dies 10.24%
▾
252+ SpA Neutralizing Gas Weezing-Galar Strange Steam vs. 252 HP / 252+ SpD Giratina-Origin: 174-206 (34.5 - 40.8%) -- guaranteed 3HKO
23
Arceus-Ground
Ground
SOFT CHECK
217.296
39.3%
dies 5.68%
▾
252+ Atk Arceus-Ground Stone Edge vs. 252 HP / 0 Def Giratina-Origin: 113-134 (22.4 - 26.5%) -- 21.8% chance to 4HKO
24
Necrozma-Dusk-Mane
PsychicSteel
SOFT CHECK
432.341
38.7%
dies 4.03%
▾
0- Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Giratina-Origin: 144-171 (28.5 - 33.9%) -- 0.8% chance to 3HKO
25
Flutter Mane
GhostFairy
SOFT CHECK
66.224
37.4%
dies 8.40%
▾
252+ SpA Choice Specs Flutter Mane Moonblast vs. 252 HP / 252+ SpD Giratina-Origin: 378-446 (75 - 88.4%) -- guaranteed 2HKO
26
46.88
28.5%
dies 8.97%
▾
Ditto vs. Giratina-Origin: 0-0 (0 - 0%)
27
Blissey
Normal
SOFT CHECK
227.683
25.3%
dies 4.88%
▾
0- SpA Blissey Shadow Ball vs. 252 HP / 252+ SpD Giratina-Origin: 60-72 (11.9 - 14.2%) -- possible 7HKO
28
Deoxys-Attack
Psychic
SOFT CHECK
109.178
23.2%
dies 6.75%
▾
252+ SpA Deoxys-Attack Psycho Boost vs. 252 HP / 252+ SpD Giratina-Origin: 231-273 (45.8 - 54.1%) -- 50% chance to 2HKO
29
Groudon
Ground
SOFT CHECK
169.888
21.0%
dies 5.39%
▾
252+ Atk Groudon Stone Edge vs. 252 HP / 0 Def Giratina-Origin: 133-157 (26.3 - 31.1%) -- guaranteed 4HKO
30
Ribombee
BugFairy
SOFT CHECK
168.636
20.5%
dies 5.35%
▾
252+ SpA Ribombee Moonblast vs. 252 HP / 252+ SpD Giratina-Origin: 200-236 (39.6 - 46.8%) -- guaranteed 3HKO
Ranked #17 with 10.79% usage. Sorted by reliability score.